How do you tighten the chain on and Husqvarna 51 chain saw?

one thing before you o on I know this is not a car question but its the best category I could find,



I wanna suprise my parents and cut them some woopd but the chain is loose, i know theres usually a spot where you put the flat head in but I can't gfind it. I do have the tool with a flat head on one end the two socket sizes on the other. when i lossen thosenothing seems to happen., any help diagrams would be greatly appreciated especially with this cold weather up here in maine. thank you. by the way one more time the model is a

Husqvarna 51.How do you tighten the chain on and Husqvarna 51 chain saw?
in order to tighten correctly you need to loosen the bar up first or you will just bend/break the adjuster. the adjuster should be faceing forward next to the bar,clean the area up (sawdust) and look for it. after tightening remember to tighten the barHow do you tighten the chain on and Husqvarna 51 chain saw?
There are two places that the screw could be. Sometimes it is right between the two nuts to loosen the bar or if the saw is facing you with the bar it would be right next to the bar. This is where it should be on your saw. It can get hidden with the sawdust and oil build up. Use the flat head to scrap the sawdust away.